East of England
Trail Running Calendar East of England 2026-2027
Explore the best trail runs in East of England for 2026-2027! Our updated list features 177 exciting trail runs across the region. Find your next trail run in East of England below and join the trail community at these great events!
October 2026
A backyard ultra at Turvey House where runners complete a 4.167 mile (6.7 km) loop each hour; failing to start a loop on the hour means elimination. Entries include solo, paired teams alternating loops, and an 8 hour day cap.
Trail running in Dunwich on 10 October 2026 with measured routes from 6.3 to 32.6 miles across beach, moorland, forest and grass.
Trail half marathon and 10K in Epping Forest on 10 October 2026, with chip timing, aid stations, eco friendly measures and limited parking.
A guided trail half marathon of about 13 miles in the Chiltern Hills with grouped pacing, a midway refreshment point and a finisher’s medal.
A looped 20 mile trail starting and finishing inside the 18th Century Landguard Fort, crossing two nature reserves, two estuaries and the Port.
Trail races at Grafham Water offering marked 10k and half marathon routes around the reservoir with water stations, prizes and free digital race photos.
A single-lap 10K on 11 October 2026 around Burnham on Crouch, featuring sea wall coastal paths and countryside trails. The event is based at Dengie Hundred Sports Centre with free parking, facilities and post-run food and drink.
A circular 13.1 mile trail through Thetford Forest with mixed surfaces, wildlife views, cupless water stations, event photography and trophies for top finishers.
Guided 16k trail run at High Lodge in Thetford Forest with conversational pace, forest facts, running tips, parking charged £3 and an entry fee of £17.50.
A scenic approximately 15 km trail race in Tring on 11 October 2026, running through Ashridge Estate and the Ridgeway with marshals, water stations and post-race facilities.
Free community 5k trail run in The King's Forest, Bury Saint Edmunds with coffee, snacks and a nearby roaming sauna, organised by Run Vibes Events.
Timed, lapped run at Old Warden on 16 October 2026 with flexible start times, distances from one 3.28 mile lap to ultras and a seven hour limit.
An inflatable obstacle event in Norwich on 17 October 2026 offering 2.5 km to 15 km non-timed laps with inflatables, music zones, and a finisher's medal.
A guided 10 miles through the Chilterns along canals, reservoirs and past Britain’s oldest post windmill, with trail instruction and a finisher’s medal included.
A lap-based timed run at Old Warden on a flat 5.3 km course with flexible distances, a 7 hour limit, and a no-medal lower cost option.
An off-road 10 km through undulating bridle paths and woodland around Westacre, Norfolk, featuring optional obstacles, a ford crossing near the finish, on-site registration, a water point at 5 km, refreshments and a bespoke medal for all entrants.
A lap-based timed charity run in St Neots on a 5.3 km out and back course, held in partnership with a local school and the charity KiSS. Multiple distance options are available and Phoenix Running will donate five pounds from each entry to support Ki..
Ely Tri Club Runfest on 18 October 2026 offers multiple distances from 10 km to a 66 km ultra. Routes are mostly flat and traffic free with course maps, on-course food and drink, and a few obstacles such as steps and stiles.
A chip timed 10K trail loop around Sapiston and Honington in Suffolk with mixed terrain, marshals, a halfway water station and finisher medals.
A flat 30 mile out and back ultra along the River Stort with checkpoints about every 5 miles, electronic timing, finishers medal and trophies for top three men and women.